\begin{table}[ht]
\centering
\caption{Summary Stats for Outcome Variables Tax Collector Survey - Endline. Superscripts in column names identify groups. Superscripts in cells indicate that a value is significantly different from the value for the superscripted group} 
\begingroup\scriptsize
\begin{tabular}{l|lllll|llll}
  \hline
Variable & Overall Mean & BOTH$^1$ & BU$^2$ & Control$^3$ & TD$^4$ & SD & Min & Max & N \\ 
  \hline
Hours in Market & 9.841 & 10.359$^3$ & 9.276$^4$ & 9.218$^{1,4}$ & 10.495$^{2,3}$ & 3.002 & 0.500 & 20.250 &  262 \\ 
  Vendors Visited & 113.923 & 178.966 & 77.621 & 72.922 & 130.347 & 434.360 & 12.000 & 6000.000 &  261 \\ 
   \hline
\end{tabular}
\endgroup
\end{table}
